Quote:
Originally Posted by KULTULZ
Of course, that statement is IMO only, correct?
Tell me the difference between balancing with a TACH or VACUUM GAUGE.
How would you set BASE TIMING with a stretched chain w/o a vacuum gauge (other than static timing and that would be WAG)?
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A tach is far more accurate. A vacuum gauge serves only as a rough estimate because the mixture screws can be adjusted a fair amount without the vacuum gauge needle moving, so you are likely to miss the lean best idle setting.
When it comes to timing you still set base (or static) timing by loosening the clamp and turning the distributor housing and using a timing light, no matter if the chain is stretched or not. This way the ignition timing is still correct even though the valve timing is retarded. Here again the vacuum gauge is only a rough estimate.